INTRODUCTION
Procedures for monitoring radiation exposure and
f
ull radiation protection must be followed.
Z- If during use, and unexpected hazard is encountered
s
uch as a secondary CBRN device; pockets of
entrapped hazard or any unforeseen hazard, immedi-
ately leave the area for clean air.
BB- Not for use in entry into atmospheres immediately
dangerous to life or health.
C
C- For entry, do not exceed maximum use concentra-
tions established by regulatory standards.
GG- Direct contact with CBRN agents requires proper
handling of the respirator after use. Correct disposal
procedures must be followed.
QQ- Use in conjunction with personal protective ensem-
bles that provide appropriate levels of protection
against dermal hazard. Failure to do so may result in
personal injury even when the respirator is fitted
properly, used, and maintained.
UU- The respirator should not be used beyond eight (8)
hours after initial exposure to chemical warfare
agents to avoid the possibility of agent permeation. If
liquid exposure is encountered, the respirator should
not be used for more than two (2) hours.
VV- PAPRS with TC-23C approvals may NOT be used for
escape from IDLH atmospheres.
S – SPECIAL OR CRITICAL USER’S INSTRUCTIONS
During use of the C420 PAPR, the atmosphere must be
m
onitored for the level of contamination and a means of
escape must be provided in the event that the contamina-
tion level increases to immediately dangerous to life and
health (IDLH) levels.
T
he C420 PAPR must be properly inspected before use,
properly decontaminated, if necessary, after use, properly
cleaned and maintained after use, and properly stored
between uses.
The C420 PAPR contains a battery and may not be taken
into or used in atmospheres containing flammable or
explosive gases, vapors, or dusts when the concentration
of such contaminants is near or above the lower flamma-
ble limit (LFL).
Do not use the C420 PAPR for firefighting, in oxygen-defi-
cient atmospheres, or for protection against airborne con-
taminants from which the cartridge does not protect.
3
TAL 706 (L) Rev. 2 - 10072074
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